Article
Epigenetic modification of the gene for the vitamin B(12) chaperone MMACHC can result in increased tumorigenicity and methionine dependence.
Molecular genetics and metabolism - 1 Apr 2009
Loewy Amanda D, Niles Kirsten M, Anastasio Natascia, Watkins David, Lavoie Josée, Lerner-Ellis Jordan P, Pastinen Tomi, Trasler Jacquetta M, Rosenblatt David S
Abstract excerpt
Methionine dependence, the inability of cells to grow when the amino acid methionine is replaced in culture medium by its metabolic precursor homocysteine, is characteristic of many cancer cell lines and some tumors in situ. Most cell lines proliferate normally under these conditions. The methionine dependent tumorigenic human melanoma cell line MeWo-LC1 was derived from the methionine independent non-tumorigenic...
Topics
- Alleles
- Carrier Proteins
- Cell Line, Tumor
- Cell Proliferation
- CpG Islands
- DNA Methylation
- DNA, Complementary
- Epigenesis, Genetic
- Gene Expression Regulation, Neoplastic
- Humans
